Rocky Mountain Larkspur

(Delphinium scopulorum)

Rocky Mountain Larkspur (Delphinium scopulorum)

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Estimated Native Range
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Summary

Delphinium scopulorum, commonly known as Rocky Mountain Larkspur, is a deciduous perennial herb native to mountain meadows and open woodlands, in the Southwestern United States and Northern Mexico. It typically grows to a height of 2-6 feet and a width of 1-2 feet, featuring tall spikes of showy blue and purple flowers that bloom in the summer. The plant’s overall appearance is characterized by its upright form, deeply lobed leaves, and the distinctive spur that extends from the back of each flower, which is a hallmark of the genus.

Rocky Mountain Larkspur is valued for its striking floral display and is often used in wildflower gardens, borders, and as a cut flower due to its tall and elegant flower spikes. It is also attractive to pollinators such as butterflies and hummingbirds. While it prefers full sun to part shade, it requires consistent moisture and well-drained soils to thrive and avoid root rot. It is important to note that all parts of this plant are highly toxic if ingested, so it should be planted with caution in areas accessed by children and pets. Additionally, it may require staking to support its tall flower spikes, especially in windy areas.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 2-6 feet
  • Width: 1-2 feet
  • Growth Rate: Moderate
  • Flower Color: Blue, Purple
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium
  • Drainage: Medium

Common Uses

Bank Stabilization, Bee Garden, Bird Garden, Border Plant, Butterfly Garden, Deer Resistant, Hummingbird Garden, Rabbit Resistant, Showy Flowers

Natural Habitat

native to mountain meadows and open woodlands, in the Southwestern United States and Northern Mexico

Other Names

Common Names: Tall Larkspur

Scientific Names: , Delphinium scopulorum, Delphinium scopulorum var. scopulorum, Delphinium macrophyllum, Delphinium scopulorum var. attenuatum, Delphinium attenuatum, Delphinium exaltatum subsp. scopulorum, Delphinium exaltatum var. scopulorum,

GBIF Accepted Name: Delphinium scopulorum A.Gray